Based on how your wife is acting and responding i would certainly borrow the money from your parents and get an attorney. Not so much for the equity, but for the kids.
M 37 W 30 S 7 Together 10 years Married 9 years BD: 12/12/12(W filed same day) I moved to apartment 1/11/13 W and S moved to MIL 1/11/13 Peicing: 6/3/13 Reconciled: 7/2013 BD2: 4/20/16 still working on it